implement entire project in nodes

Project items are now represented directly in nodes opening up more versatility and possibilities. This is the first iteration of this and will be buggy. Need to test thoroughly.

app/panel/footageviewer/footageviewer.cpp

@@ -60,7 +60,7 @@ void FootageViewerPanel::SetFootage(Footage *f)
 
   if (f) {
     // SetSubtitle() will call Retranslate(), so we don't need to call it here
-    SetSubtitle(f->name());
+    SetSubtitle(f->GetLabel());
 
     // Pop this panel up so the user doesn't think nothing's happening if it's behind another tab
     this->show();

app/panel/project/project.cpp

@@ -108,7 +108,7 @@ QModelIndex ProjectPanel::get_root_index() const
   return explorer_->get_root_index();
 }
 
-void ProjectPanel::set_root(Item *item)
+void ProjectPanel::set_root(Folder *item)
 {
   explorer_->set_root(item);
 
@@ -184,10 +184,10 @@ void ProjectPanel::ItemDoubleClickSlot(Item *item)
   if (item == nullptr) {
     // If the user double clicks on empty space, show the import dialog
     Core::instance()->DialogImportShow();
-  } else if (item->type() == Item::kFootage) {
+  } else if (dynamic_cast<Footage*>(item)) {
     // Open this footage in a FootageViewer
     PanelManager::instance()->MostRecentlyFocused<FootageViewerPanel>()->SetFootage(static_cast<Footage*>(item));
-  } else if (item->type() == Item::kSequence) {
+  } else if (dynamic_cast<Sequence*>(item)) {
     // Open this sequence in the Timeline
     Core::instance()->main_window()->OpenSequence(static_cast<Sequence*>(item));
   }
@@ -210,10 +210,10 @@ void ProjectPanel::UpdateSubtitle()
     if (explorer_->get_root_index().isValid()) {
       QString folder_path;
 
-      Item* item = static_cast<Item*>(explorer_->get_root_index().internalPointer());
+      Folder* item = static_cast<Folder*>(explorer_->get_root_index().internalPointer());
 
       do {
-        folder_path.prepend(QStringLiteral("/%1").arg(item->name()));
+        folder_path.prepend(QStringLiteral("/%1").arg(item->GetLabel()));
 
         item = item->item_parent();
       } while (item != project()->root());
@@ -238,7 +238,7 @@ QVector<Footage *> ProjectPanel::GetSelectedFootage() const
   QVector<Footage*> footage;
 
   foreach (Item* i, items) {
-    if (i->type() == Item::kFootage) {
+    if (dynamic_cast<Footage*>(i)) {
       footage.append(static_cast<Footage*>(i));
     }
   }

app/panel/project/project.h

@@ -42,7 +42,7 @@ public:
 
   QModelIndex get_root_index() const;
 
-  void set_root(Item* item);
+  void set_root(Folder* item);
 
   QVector<Item *> SelectedItems() const;
 

app/panel/timebased/timebased.cpp

@@ -113,7 +113,7 @@ TimeBasedWidget *TimeBasedPanel::GetTimeBasedWidget() const
   return widget_;
 }
 
-ViewerOutput *TimeBasedPanel::GetConnectedViewer() const
+Sequence *TimeBasedPanel::GetConnectedViewer() const
 {
   return widget_->GetConnectedNode();
 }
@@ -123,7 +123,7 @@ TimeRuler *TimeBasedPanel::ruler() const
   return widget_->ruler();
 }
 
-void TimeBasedPanel::ConnectViewerNode(ViewerOutput *node)
+void TimeBasedPanel::ConnectViewerNode(Sequence *node)
 {
   if (widget_->GetConnectedNode() == node) {
     return;

app/panel/timebased/timebased.h

@@ -32,13 +32,13 @@ class TimeBasedPanel : public PanelWidget
 public:
   TimeBasedPanel(const QString& object_name, QWidget *parent = nullptr);
 
-  void ConnectViewerNode(ViewerOutput* node);
+  void ConnectViewerNode(Sequence *node);
 
   void DisconnectViewerNode();
 
   rational GetTime();
 
-  ViewerOutput* GetConnectedViewer() const;
+  Sequence *GetConnectedViewer() const;
 
   TimeRuler* ruler() const;